| 摘要 | 第3-5页 |
| Abstract | 第5-6页 |
| Chapter One Introduction | 第11-16页 |
| 1.1 Research Background | 第11-13页 |
| 1.2 Aims and Significance of the Study | 第13-14页 |
| 1.3 Research Questions | 第14-15页 |
| 1.4 Layout of the Present Study | 第15-16页 |
| Chapter Two Literature Review | 第16-25页 |
| 2.1 Definition and Classification of Lexical Chunks and Frequency | 第16-20页 |
| 2.1.1 Definition and Classification of Lexical Chunks | 第16-18页 |
| 2.1.2 Definition of Frequency | 第18-20页 |
| 2.2 Related Theories about Frequency and Chunk | 第20-21页 |
| 2.3 Research on Frequency and Chunk Acquisition | 第21-25页 |
| Chapter Three Research Design | 第25-43页 |
| 3.1 Research Questions | 第25-26页 |
| 3.2 Research Subjects | 第26-28页 |
| 3.3 Research Instruments | 第28-37页 |
| 3.3.1 Questionnaires | 第28-29页 |
| 3.3.2 Reading and Writing Materials | 第29-31页 |
| 3.3.3 Target Chunks | 第31-32页 |
| 3.3.3.1 Choosing Frequency Type | 第31页 |
| 3.3.3.2 Selecting Target Chunks | 第31-32页 |
| 3.3.4 Reading-to-write Tasks | 第32-37页 |
| 3.3.4.1 An Example of Reading-to-write Task Organization | 第32-33页 |
| 3.3.4.2 The Design of Reading-to-write Tasks | 第33-37页 |
| 3.3.5 Think-aloud Experiment | 第37页 |
| 3.4 Research Procedure | 第37-39页 |
| 3.5 Data Collection | 第39-43页 |
| Chapter Four Results and Discussion | 第43-62页 |
| 4.1 Results and Discussion of Students’ Questionnaire Investigation | 第43-44页 |
| 4.2 Results and Discussion of Teachers’ Questionnaire Investigation | 第44-45页 |
| 4.3 Results and Discussion of the Use of Chunks | 第45-58页 |
| 4.3.1 Comparison of Chunk Quantity | 第45-48页 |
| 4.3.2 Comparison of Chunk Quality | 第48-50页 |
| 4.3.3 Comparison of Subjects’ Performance in Chunk Use | 第50-58页 |
| 4.3.3.1 Round One (letter of application) | 第50-51页 |
| 4.3.3.2 Round Two (argumentation) | 第51-53页 |
| 4.3.3.3 Round Three (introduction of events) | 第53-54页 |
| 4.3.3.4 Round Four (speeches) | 第54-56页 |
| 4.3.3.5 Round Five (letter of suggestions) | 第56-58页 |
| 4.4 Results and Discussion of Think-aloud Experiment | 第58-62页 |
| 4.4.1 High-chunk-achievers | 第59-60页 |
| 4.4.2 Low-chunk-achievers | 第60-62页 |
| Chapter Five Conclusion | 第62-65页 |
| 5.1 Major Findings | 第62-63页 |
| 5.2 Pedagogical Implications | 第63-64页 |
| 5.3 Suggestions for Future Study | 第64-65页 |
| References | 第65-69页 |
| Appendices | 第69-80页 |
| Appendix Ⅰ Questionnaire for Students | 第69-70页 |
| Appendix Ⅱ Questionnaire for Teachers | 第70-72页 |
| Appendix Ⅲ Brief Introduction of Conducing the Teaching Procedure | 第72-73页 |
| Appendix Ⅳ Sample of a Task-pretest | 第73-75页 |
| Appendix Ⅴ Sample of Writing Tasks as “Type Frequency” | 第75-77页 |
| Appendix Ⅵ NMET Scoring Rubrics (the Scoring Criteria in the Research) | 第77-78页 |
| Appendix Ⅶ Sample of Data from Experiment (Partial Sample) | 第78-79页 |
| Appendix Ⅷ Quantity of Chunk Acquisition between EC and CC | 第79-80页 |
| Publication | 第80-81页 |
| Acknowledgements | 第81页 |
